Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Terranaut via ...

We preselected all newsletters you had before unsubscribing.

Although an admirable attempt to clarify, I find that this approach to separating hypotheses from theories is still full of jargon that doesn't relate to people's everyday behaviors. When teaching, I ...